ANSWER ASAP!! remember to show work
1 answer:
Answer:
1. 7x+5y=19
(+)-7x-2y=-16 step one
____________
=
step two
y=1
____________
since you have the value of y u can plug it in in either of the equations.
7x+5(1)=19 step three
____________
7x+5-5=19-5 step four
____________
=
x=2 step five
____________
You can check whether the answers are correct by plugging them back in.
7(2)+5(1)=19
14+5=19
19 equals 19 so it checks.
You can do the same thing for the rest.
You might be interested in
For this case we have the following expressions:
70,000,000
7,000,000
If we divide the first expression by the second we have:
Thus, we have that the first expression is 10 times greater than the second expression.
Answer:
70,000,000 is 10 times greater than 7,000,000